 | | Journal (article/letter/editorial) | | Late Cenozoic Metallogeny of Southwest Hokkaido, Japan Yasushi WATANABE Mineral Resource Research Group...Tsukuba Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan [y-watanabe@aist.go.jp] Received on May 29, 2001;...magmatic style and stress field of southwest Hokkaido, Japan, and compiles deposit form, type, ore and alteration...activity. The late Cenozoic tectonic regime of the Sapporo-Iwanai ore district is divided into five periods...stress. Productive vein-type deposits, such as Toyoha, Inakuraishi, Ohe and Chitose, formed in the neutral |  | | Journal (article/letter/editorial) | | magmatic-hydrothermal systems at Toyoha-Muine area in southwest Hokkaido, Japan Toru Shimizu1 and Masahiro...Aoki2 1 Geological Survey of Japan and 2Geological Museum, AIST, Tsukuba, Japan Abstract This paper presents...alteration and K–Ar age data from the Toyoha-Muine area (TMA), where the Toyoha polymetallic (Ag–Pb–Zn–Cu–In)...Quartz (silicified rock); (II) Pyrophyllite or dickite; (III) Kaolinite or halloysite ⫾ alunite; (IV)...0 Ma in the southern and southeastern parts of Toyoha deposit at depth, overprinting the Middle to Late |  | | Journal (article/letter/editorial) | | 2000 Sulfur Isotopic Study of the Toyoha Deposit, Hokkaido, Japan −Comparison between the Earlier-Stage...the Toyoha deposit, Hokkaido, one of the largest Pb-Zn-Ag polymetallic vein-type deposits in Japan, were...the studied sulfide minerals collected from the Toyoha deposit range from +5 to +9‰, with an average of...1. Introduction The Toyoha mine is located in about 40km southwest of Sapporo City, Hokkaido (Fig. 1)...producers in Japan. It also is the most productive of the indium ores (Ohta, 1989). The Toyoha deposit is |  | | Book (volume) | | Field Trip Guide Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES r QE 304 . A14 1992 v.6 The...Field Trip Guide Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES The Society of Resource Geology...Nogizaka building 9-6-41 Akasaka, Minato-ku, Tokyo 107, Japan 1992 29th IGC FIELD TRIP GUIDEBOOK Volume...Volume 6 : Mineral Deposits of Japan and the Philippines Editors: Tetsuro Urabe and Masahiro Aoki The...Nogizaka building 9-6-41 Akasaka, Minato-ku, Tokyo 107, Japan Technical Editors Technical Reviewer: Editorial |  | | Journal (article/letter/editorial) | | Jozankei-Zenibako District, Southwest Hokkaido, Japan Yasushi WATANABE* and Eijun OHTA** Abstract: Hydrothermal...subduction of the Pacific plate beneath the Northeast Japan arc. Normal, in contrast to oblique, plate subduction...formed mostly in the Pliocene and Pleistocene time (Toyoha, Teine, Koryu, etc.), and only a few deposits are...Watanabe (1990) suggested that the mineralization at Toyoha, Teine and Koryu are related to the magmatic activities...district is at the northern end of the Northeast Japan arc (Fig. 1), and has been the site of arc volcanism |  | | Journal (article/letter/editorial) | | Phreatic Craters in the Muine Volcano, Hokkaido, Japan Yasushi WATANABE Institute for Geo-Resources and...AIST, Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan [e-mail: y-watanabe@aist.go.jp] Received on November...the Pliocene Muine volcano in southwest Hokkaido, Japan, were carried out. The alunite with 17.4 permil...the Muine volcano. 1. Introduction 2. Geology The Toyoha polymetallic Pb-Zn-Ag vein deposit is located about...southwest Hokkaido, Japan (Fig. 1). Watanabe (1990) related the mineralization of the Toyoha deposit to the |  | | Journal (article/letter/editorial) | | Hydrothermal Alteration in Toyoha Geothermal System, Southwestern Hokkaido, Japan Atsuyuki Inoue,1 Kyohei...University, Chiba, Japan, 2Graduate School of Natural Science, Chiba University, Chiba, Japan and 3Japan International...Research Center for Agricultural Science, Tsukuba, Japan Abstract In this study, we applied chemical geothermometers...various types of hydrothermally altered rocks in the Toyoha geothermal field, using core samples from six drill...to TH-7) together with wasted ore samples from Toyoha vein-type ore deposit. Based on the preliminary |  | | Journal (article/letter/editorial) | | Exploratory Drills TH-4 and TH-6 near the Toyoha Deposit, Hokkaido, Japan Miyuki Nitta and Atsuyuki Inoue Department...Graduate School of Science, Chiba University, Chiba, Japan Abstract We studied calcite and rhodochrosite from...cores (TH-4 and TH-6) near the Toyoha deposit, southwestern Hokkaido, Japan, from the aspect of stable isotope...of which is basically equivalent to that in the Toyoha veins. The measured d18OSMOW and d13CPDB values...fluids pertaining to the formation of veins in the Toyoha deposit. Keywords: calcite, carbon and oxygen isotope |  | | Journal (article/letter/editorial) | | in the Toyoha–Muine area, southwest Hokkaido, Japan TORU S HIMIZU* Geological Survey of Japan, AIST,... 1-1-1 Higashi, Tsukuba 305-8567, Japan (Received November 7, 2011; Accepted February 5, 2012) Sulfur...systems in the altered volcanic host rocks of the Toyoha–Muine area are determined. Miocene and Pliocene–Pleistocene...hydrothermal systems, ore minerals, alteration, Toyoha–Muine ess and the origin of sulfur (Kiyosu, 1974;...presents existing mineralogical and INTRODUCTION The Toyoha–Muine area (hereafter referred to as TMA) is a |  | | Journal (article/letter/editorial) | | INDIUM-BEARING SPHALERITE FROM THE TOYOHA POLYMETALLIC DEPOSIT, JAPAN TORU SHIMIZU† AND YUICHI MORISHITA...MORISHITA Geological Survey of Japan, AIST, 1-1-1 Higashi, Tsukuba 305-8567, Japan Abstract Textural, chemical...characteristics of In-bearing sphalerite from the Toyoha Zn-PbAg-Cu-Sn-In vein-type deposit are investigated...In-bearing ores (350°−400°C) previously reported at Toyoha. Textural and chemical characteristics indicate...source. Introduction Toyoha is located at the northern end of the northeast Japan arc. It is the largest |  | Sahlström, Fredrik, Arribas, Antonio, Dirks, Paul, Corral, Isaac, Chang, Zhaoshan (2017) Mineralogical Distribution of Germanium, Gallium and Indium at the Mt Carlton High-Sulfidation Epithermal Deposit, NE Australia, and Comparison with Similar Deposits Worldwide. Minerals, 7 (11) 213 doi:10.3390/min7110213 | Journal (article/letter/editorial) | | Resources (ICREMER), Akita University, Akita 010-8502, Japan; arribasa@yahoo.com Correspondence: fredrik.sahlstrom@my...pyrite, galena) and Stage 3 hydrothermal void fill (dickite). Moderate to locally high concentrations of Ga...Stage 1 alunite (up to 339 ppm) and in Stage 3 dickite (up to 150 ppm). The Stage 2A ores show enrichment...Tsumeb in Namibia, Kipushi in D.R. Congo and the Apex Mine in Utah; e.g., [7]), syngenetic or early diagenetic...APS—aluminium-phosphate-sulphate brt—barite; chl—chlorite; dck—dickite; gyp—gypsum; hbx—hydrothermal breccia; hem—hematite; |  | | Book | | been carried out. Epithermal vein-type deposits in Japan have also been well-studied. More than 1,000 papers...on Kuroko and epithermal vein-type deposits in Japan will be summarized in Chapter 1. The descriptions...study epithermal vein-type and Kuroko deposits in Japan. I learned from them an importance of the integration...fluid inclusion studies of vein-type deposits in Japan were especially valid and useful to writing this...On the origin of Kuroko of the Kosaka mine. J. Geol. Soc. Japan, 26, 107-132 (in Japanese). Ohmoto, H |  | Jovic, Sebastián M., Guido, Diego M., Schalamuk, Isidoro B., Ríos, Francisco J., Tassinari, Colombo C. G., Recio, Clemente (2011) Pingüino In-bearing polymetallic vein deposit, Deseado Massif, Patagonia, Argentina: characteristics of mineralization and ore-forming fluids. Mineralium Deposita, 46 (3) 257-271 doi:10.1007/s00126-010-0324-5 | Journal (article/letter/editorial) | | deposits comparing different deposits from Japan (Toyoha, IkunoAkenobe, etc.) and Bolivia (Bolivar, Huari-Huari...known Indium concentration reported is the Toyoha deposit, Japan, being one of the world’s largest lead–zinc–...with polymetallic mineralization represented by dickite, nacrite and kaolinite (a) and natroalunite (b)...argillic alteration is characterized by kaolinite, dickite and nacrite (Al2Si2O5(OH)4) (Fig. 4a), and includes...polymetallic veins of the Freiberg district and Toyoha mine (Ohta 1995; Schwarz-Schampera and Herzig 2002) |  | Dill, Harald G., Garrido, Mirta M., Melcher, Frank, Gomez, Maria C., Weber, Berthold, Luna, Liliana I., Bahr, Andreas (2013) Sulfidic and non-sulfidic indium mineralization of the epithermal Au–Cu–Zn–Pb–Ag deposit San Roque (Provincia Rio Negro, SE Argentina) — with special reference to the “indium window” in zinc sulfide. Ore Geology Reviews, 51. 103-128 doi:10.1016/j.oregeorev.2012.12.005 | Journal (article/letter/editorial) | | 2006). The Toyoha polymetallic Ag–Pb–Zn vein-type deposit in Japan on Hokkaido Island, Japan, was among...granitoids under high temperature similar to the Toyoha veins (Tsushima et al, 1999). A polymetallic In-bearing... Zn) and industrial mineral (fluorite, kaolin, dickite, smectite, pyrophyllite, Na- and K alunite) deposits...n alteration sequence at the Loma Blanca kaolin mine near Los Menucos. 4. Results 4.1. Host rock lithology...alunite–sericite–kaolin alteration of Loma Blanca kaolin mine near Los Menucos. For scale see Swiss army knife |  | | Journal (article/letter/editorial) | | a new mineral from [HSbO.,SO4](OH),0 Cap Garonne mine, Var, France.NeuesJahrb. Mineral. Mon.,481-486....X-ray powderpatterncorrespondsto ro mine and the nearby Deremo-Snyder mine, San Miguel County, Colorado. The... The new name is after the Toyoha mine, Sapporo, Romanite Hokkaido, Japan, which consistsof more than...Minelor, 4l mineral in the davidite zinc in and Japan. Toyohaite occurs in massive pynte414-418 (in Romanian)...REE 0- logical Museum of the Geological Survey of Japan, Hokl, VrOs 0.35 wto/o.The X-ray powder pattern |  | Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., Watanabe, Y. (2007) Mineral Resources Map of East Asia, Geological Survey of Japan. | Map | | RESOURCES MAP OF EAST ASIA 2007 Geological Survey of Japan, AIST Masaharu KAMITANI*, Kimio OKUMURA*, Yoji TERAOKA*...their status of exploration and exploitation. In Japan and South Korea, many metallic mineral deposits...T. Nakashima and K. Sato, Geological Survey of Japan, National Institute of Advanced Industrial Science...Ishihara and H. Murakami, Geological Survey of Japan (AIST), who gave us valuable information on rare...Survey and Dr. M. Ogasawara, Geological Survey of Japan (AIST). Dr. K. Naito, formerly belonged to the International |  | | Book | | IN SEDIMENTOLOGY 26 CLAYS AND CLAY MINERALS OF JAPAN FURTHER TITLES IN THIS SERIES VOLUMES 1 , 2 ...IN SEDIMENTOLOGY 26 CLAYS AND CLAY MINERALS OF JAPAN Edited by TOSHIQ SUDQ Emeritus Professor, Tokyo...Geoscience, University of Tsukuba, Ibaragi Pref. 300-31, Japan 1978 KODANSHA LTD. Tokyo ELSEVIER SCIENTIF PUBLISHING...under t i t l e : Clays and c l a y minerals of Japan. (Developments i n sedimentology ; 26) (Kodansha...Bibliography: p. Includes index. 1. Clay--Japan. 2. Clay minerals--Japan. I. SudO, Toshio, 191111. Shimcda, |  | | Journal (article/letter/editorial) | | States, Canada, Chile, Peru, Papua New Guinea, and Japan. Lindgren (1922, 1933) first defined epithermal...absent), and quartz – alunite – pyrophyllite – dickite as main proximal alteration minerals. Lithocap:...Papua New Guinea (Sillitoe, 1989), Hokkaido of Japan (Watanabe, 2002), Lachlan orogenic belt of Australia...more proper for IS mineralization. For example, Toyoha IS polymetallic deposit, the biggest hydrothermal...the Pacific plate subducted orthogonally beneath Japan island arc in a high speed [orthogonal convergence |  | | Journal (article/letter/editorial) | | (OH)8 ] group minerals (kaolinite, halloysite, dickite, and nacrite) are the key minerals of the intermediate...for Saint Martin (Lesser Antilles, fossil) and Toyoha (Hokkaido, active). To give a more user-friendly...the Hishikari Epithermal Gold Deposit, SW Kyushu, Japan. Resour. Geol. 2008, 58, 1–24. [CrossRef] Sbrana...hydrothermal alteration in Toyoha geothermal system, Southwestern Hokkaido, Japan. Resour. Geol. 2010, 60...volcanoclastic rocks in the Kamikita area, northern Honshu, Japan. Am. Mineral. 1991, 76, 628–640. Schiffman, P.; |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...Ahola Occurrence of gold (electrum) in the Lousal mine, Iberian pyrite belt, Portugal ..................modifications of epithermal silver mineralization at Martha Mine, Deseado Massif, Argentina . . ...................Wasström, Sebastian Knipfer & Lina Åberg The Muine-Toyoha magmatic-hydrothermal system: Pliocene–Pleistocene...multiple ways. Without drillhole data, or an existing mine site that has been mapped in detail at depth in |  | Bauer, Matthias E., Burisch, Mathias, Ostendorf, Jörg, Krause, Joachim, Frenzel, Max, Seifert, Thomas, Gutzmer, Jens (2019) Trace element geochemistry of sphalerite in contrasting hydrothermal fluid systems of the Freiberg district, Germany: insights from LA-ICP-MS analysis, near-infrared light microthermometry of sphalerite-hosted fluid inclusions, and sulfur isotope geochemistry. Mineralium Deposita, 54 (2) 237-262 doi:10.1007/s00126-018-0850-0 | Journal (article/letter/editorial) | | (2M1), epidote, and kaolinite group minerals (here dickite and nacrite polymorphs) occur in the alteration...the Himmelfahrt (Reiche Zeche shaft) underground mine (Table ESM 1). Most of the kb vein samples are from...advanced argillic alteration (cf. Fig. 2). Since dickite and nacrite polymorphs are apparently present in...1988). As the factors controlling the formation of dickite and Miner Deposita a Kühne 1970). Fluid inclusion...(2002) Sulfur and oxygen isotope geochemistry of acid mine drainage—the polymetallic sulfide deposit BHimmelfahrt |  | | Report (chapter) | | America, the central Andes, the western U.S.A., Japan, the North Island of New Zealand, the Philippines...2400 km from the U.S. border to south of Mexico City (Fig. 1). This is the greatest known concentration...Chalcopyrite, galena and sphalerite dominate at the lowest mine levels. Gulf of Fonseca area, E1Salvador-Nicaragua-Honduras...Mineralization is accompanied by chalcedonic quartz, dickite, alunite and barite that have partly replaced the...assemblage 23 and between 25 and 5 m.y. ago the Lake City caldera developed, and silicic alkalic minor intrusives |  | | Journal (article/letter/editorial) | | samples from In-rich sphalerite from Toyoha Cu-Zn-In deposits (Japan), also showing Ag up to 1.2 wt.%. Cadmium...host-rock is made of quartz, illite, kaolinite and dickite (Gallard-Esquivel, 2015). This alteration suggests...in the epithermal gold-silver deposit of Martha mine, with values of up to 3 wt.% Se. Mugas Lobos et...the pearceite-polybasite group from the De Lamar Mine, Owyhee county, Idaho, USA. The Canadian Mineralogist...(2008) Se-bearing polybasite-Tac from the Martha mine, Macizo del Deseado, Santa Cruz, Argentina. Mineralogy |  | Benites, Diego, Torró, Lisard, Vallance, Jean, Laurent, Oscar, Valverde, Pablo E., Kouzmanov, Kalin, Chelle-Michou, Cyril, Fontboté, Lluís (2021) Distribution of indium, germanium, gallium and other minor and trace elements in polymetallic ores from a porphyry system: The Morococha district, Peru. Ore Geology Reviews, 136. 104236pp. doi:10.1016/j.oregeorev.2021.104236 | Journal (article/letter/editorial) | | hydrothermal phases such as hypogene alunite and dickite (Rytuba et 74 al., 2003; Sahlström et al., 2017)... 297 Sampling was conducted on drill cores and mine adits. The study is based on 64 key 298 samples...and the Rubí vein 461 (both sampled at the same mine level, where both structures intersect each other)...the crystallization of In-rich sphalerite in the Toyoha polymetallic deposit, and 859 that In was either...field and 985 logistical support and access to the mine area. Pan American Silver Corp. Morococha staff |  | | Report (volume) | | Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105,125 South State St...and Yukio Togashi of the Geological Survey of Japan. Among the many geologists from private industry...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such |
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